APEX VALVE Apex Valves is a privately owned New Zealand company specialising in the design and manufacture of Control Valves for low and high pressure hot water and filtration systems. In addition, Apex Valves produces an extensive range of Float and Reservoir Valves for the agricultural industry. Apex Valves provide 100% backup and support for all our products and are committed to being a progressive, responsible manufacturer, producing high quality, innovative products that are internationally accepted